Applies to: Exchange Server 2010 SP3, Exchange Server 2010 SP2
Topic Last Modified: 2010-09-14
Moving mailboxes from Microsoft Exchange Server 2010 to Exchange Server 2003? Consider the following:
- The move process is performed offline, and end-users won't be
able to access their mailboxes during the move.
- Perform the move from the server running Exchange 2010 by using
the move request cmdlets in the Exchange Management Shell. You
can't use Exchange System Manager on an Exchange 2003 server to
move the mailboxes.
- If you're moving a mailbox that has a personal archive
associated with it, you must disable the archive before moving the
mailbox. For details, see Disable a Personal
(On-Premises) or Cloud-Based Archive for a Mailbox.
- If you’re moving a mailbox to Exchange 2003, you must disable
single-item recovery and purge the Recoverable Items folder. For
details, see Clean Up the Recoverable
For detailed instructions about how to move mailboxes, see Managing Move Requests.
To learn more about moving mailboxes, see Understanding Move Requests.